Improvements

• Mail Ticker's speed is using current display resolution and DPI settings for speed adjustment
• Add tag autofiltering when typing a tag for easy checking of the tag's availability

Fixes

• The Bat! / Voyager might not gracefully exit after the first start
• Time Zones included into a text/Calendar part were not used
• .ICS (iCalendar) files were not shown as attachments sometimes
• Newly added tags could disappear from selection when specific color settings were used